California Moderate Heat Advisory | Effective 10/02/2026 11:16

Headline: 
Heat Advisory issued October 2 at 11:16AM PDT until October 5 at 10:00PM PDT by NWS San Francisco CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
October 2, 2026 - 11:16am
Expires: 
October 3, 2026 - 3:00am
Description: 
* WHAT...Temperatures in the middle 90s to near 103 expected. Mild lows in the upper 60s to middle 70s in the higher elevations will limit overnight recovery. * WHERE...North Bay Interior Valleys. * WHEN...From 11 AM Saturday to 10 PM PDT Monday. * IMPACTS...This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.
Instruction: 
Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke.
Area Description: 
North Bay Interior Valleys
Forcast Office: 
NWS San Francisco CA
Sender: 
w-nws.webmaster@noaa.gov